Blast furnace is same as blast furnace cast iron that should be changed in order to be transformed to other iron derivatives. Blast furnace cast iron usually has impurities that are again melted to be changed into other ingot or casting parts and is casted again after Refining and alloying operations.

Blast furnace is same as blast furnace cast iron that should be changed in order to be transformed to other iron derivatives. Blast furnace cast iron usually has impurities that are again melted to be changed into other ingot or casting parts and is casted again after Refining and alloying operations.

Blast furnace is same as blast furnace cast iron that should be changed in order to be transformed to other iron derivatives. Blast furnace cast iron usually has impurities that are again melted to be changed into other ingot or casting parts and is casted again after Refining and alloying operations.